ETA 2671-410 Winding Pinion

Product Description

The ETA 2671-410 Winding Pinion is a genuine Swiss-made component for the ETA 2671 automatic movement family, including compatible calibers 2660, 2678, 2681, and 2685 . As part of the keyless works mechanism, the winding pinion engages with the crown wheel to transfer manual winding motion from the crown to the mainspring, enabling the movement to be wound for its ~38-hour power reserve . This brand new original part is essential for watchmakers restoring proper winding function when the original winding pinion becomes worn or damaged.

Features & Function

• Genuine ETA part – authentic Swiss-made component for the ETA 2671 movement family

• Keyless works component – transfers manual winding motion from the crown to the mainspring

• Essential for winding function – enables manual winding for the ~38-hour power reserve

• Multi-caliber compatibility – fits ETA 2660, 2671, 2678, 2681, 2685, 2688, and 2691 

• Direct replacement – drop-in replacement for worn or damaged winding pinions

Specifications

• Part Number: 2671-410 / 410

• Article Number: 3

• Compatible Movements: ETA 2660, 2671, 2678, 2681, 2685, 2688, 2691 

• Movement Diameter: 17.2 mm (7¾”’) – ETA 2671 

• Movement Height: 4.80 mm – ETA 2671 

• Jewels: 17/21/25 (varies by version) 

• Frequency: 28,800 vph (4 Hz) 

• Power Reserve: ~38 hours

• Origin: Switzerland (ETA factory part)

• Condition: Brand new

Applications

• Service and overhaul of ETA 2671 family movements

• Keyless works repair – replacing worn or damaged winding pinions

• Winding function restoration – enabling smooth manual winding operation

• Suitable for professional watchmakers and experienced repair technicians

FAQs

1. Is this a genuine ETA part?

Yes, this is a genuine ETA factory part (reference 2671-410), made in Switzerland. It is listed in official ETA parts documentation for the 2671 family .

2. Which movements is this winding pinion compatible with?

This winding pinion is compatible with ETA 2660, 2671, 2678, 2681, 2685, 2688, and 2691 movements . The ETA 2671 is a 17.2 mm automatic movement widely used in ladies’ watches .

3. What is the function of the winding pinion?

The winding pinion is part of the keyless works mechanism that transfers manual winding motion from the crown to the mainspring. It works with the crown wheel and sliding pinion to enable manual winding of the movement.

Why Choose SOFLY Watch Parts?

• Fast worldwide shipping within 3 business days.

• Competitive pricing on Seiko/Hattori calibers.

• 3,000+ watch movements and parts in stock.

• Trusted by watchmakers worldwide.

• Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.